./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3395955-ad65-4e7d-ac53-e5a59d2620ff/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3395955-ad65-4e7d-ac53-e5a59d2620ff/bin/ukojak-Rh5K9KB4LI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3395955-ad65-4e7d-ac53-e5a59d2620ff/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3395955-ad65-4e7d-ac53-e5a59d2620ff/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3395955-ad65-4e7d-ac53-e5a59d2620ff/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3395955-ad65-4e7d-ac53-e5a59d2620ff/bin/ukojak-Rh5K9KB4LI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ecbe5f0ce97488539db604edfadf8e9064f15df8e290f20f11bd6c6bd2401ed2 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 03:06:22,236 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:06:22,239 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:06:22,297 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:06:22,299 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:06:22,304 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:06:22,306 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:06:22,311 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:06:22,313 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:06:22,321 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:06:22,322 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:06:22,324 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:06:22,325 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:06:22,327 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:06:22,329 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:06:22,334 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:06:22,336 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:06:22,337 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:06:22,339 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:06:22,348 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:06:22,351 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:06:22,353 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:06:22,356 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:06:22,357 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:06:22,361 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:06:22,362 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:06:22,362 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:06:22,364 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:06:22,365 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:06:22,366 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:06:22,367 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:06:22,368 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:06:22,370 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:06:22,371 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:06:22,373 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:06:22,373 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:06:22,374 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:06:22,374 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:06:22,374 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:06:22,375 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:06:22,376 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:06:22,377 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3395955-ad65-4e7d-ac53-e5a59d2620ff/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 03:06:22,422 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:06:22,422 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:06:22,423 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 03:06:22,424 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 03:06:22,424 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:06:22,424 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:06:22,425 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:06:22,425 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 03:06:22,431 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 03:06:22,431 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 03:06:22,433 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:06:22,433 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 03:06:22,433 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:06:22,433 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 03:06:22,434 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 03:06:22,434 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 03:06:22,434 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:06:22,434 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 03:06:22,435 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:06:22,435 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:06:22,435 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:06:22,435 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:06:22,436 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:06:22,436 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:06:22,436 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 03:06:22,436 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 03:06:22,436 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 03:06:22,437 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 03:06:22,437 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3395955-ad65-4e7d-ac53-e5a59d2620ff/bin/ukojak-Rh5K9KB4LI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3395955-ad65-4e7d-ac53-e5a59d2620ff/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ecbe5f0ce97488539db604edfadf8e9064f15df8e290f20f11bd6c6bd2401ed2 [2021-10-29 03:06:22,704 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:06:22,726 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:06:22,729 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:06:22,730 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:06:22,731 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:06:22,732 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3395955-ad65-4e7d-ac53-e5a59d2620ff/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound100.c [2021-10-29 03:06:22,807 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3395955-ad65-4e7d-ac53-e5a59d2620ff/bin/ukojak-Rh5K9KB4LI/data/54237aa81/b15dba639e974c22bf9a276fecb87564/FLAG69a404c55 [2021-10-29 03:06:23,221 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:06:23,222 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3395955-ad65-4e7d-ac53-e5a59d2620ff/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound100.c [2021-10-29 03:06:23,228 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3395955-ad65-4e7d-ac53-e5a59d2620ff/bin/ukojak-Rh5K9KB4LI/data/54237aa81/b15dba639e974c22bf9a276fecb87564/FLAG69a404c55 [2021-10-29 03:06:23,624 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3395955-ad65-4e7d-ac53-e5a59d2620ff/bin/ukojak-Rh5K9KB4LI/data/54237aa81/b15dba639e974c22bf9a276fecb87564 [2021-10-29 03:06:23,626 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:06:23,628 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:06:23,644 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:06:23,644 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:06:23,648 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:06:23,648 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:06:23" (1/1) ... [2021-10-29 03:06:23,649 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9367576 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:06:23, skipping insertion in model container [2021-10-29 03:06:23,649 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:06:23" (1/1) ... [2021-10-29 03:06:23,656 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:06:23,668 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:06:23,826 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3395955-ad65-4e7d-ac53-e5a59d2620ff/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound100.c[520,533] [2021-10-29 03:06:23,848 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:06:23,856 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:06:23,868 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3395955-ad65-4e7d-ac53-e5a59d2620ff/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound100.c[520,533] [2021-10-29 03:06:23,875 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:06:23,887 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:06:23,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:06:23 WrapperNode [2021-10-29 03:06:23,888 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:06:23,889 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:06:23,889 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:06:23,890 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:06:23,897 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:06:23" (1/1) ... [2021-10-29 03:06:23,903 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:06:23" (1/1) ... [2021-10-29 03:06:23,920 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:06:23,920 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:06:23,921 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:06:23,921 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:06:23,929 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:06:23" (1/1) ... [2021-10-29 03:06:23,929 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:06:23" (1/1) ... [2021-10-29 03:06:23,930 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:06:23" (1/1) ... [2021-10-29 03:06:23,931 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:06:23" (1/1) ... [2021-10-29 03:06:23,934 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:06:23" (1/1) ... [2021-10-29 03:06:23,938 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:06:23" (1/1) ... [2021-10-29 03:06:23,939 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:06:23" (1/1) ... [2021-10-29 03:06:23,940 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:06:23,941 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:06:23,942 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:06:23,942 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:06:23,943 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:06:23" (1/1) ... [2021-10-29 03:06:23,950 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:06:23,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3395955-ad65-4e7d-ac53-e5a59d2620ff/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:06:23,972 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3395955-ad65-4e7d-ac53-e5a59d2620ff/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:06:24,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3395955-ad65-4e7d-ac53-e5a59d2620ff/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:06:24,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 03:06:24,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 03:06:24,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:06:24,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:06:24,022 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-10-29 03:06:24,022 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-10-29 03:06:24,371 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:06:24,372 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-29 03:06:24,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:06:24 BoogieIcfgContainer [2021-10-29 03:06:24,391 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 03:06:24,392 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 03:06:24,392 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 03:06:24,404 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 03:06:24,404 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:06:24" (1/1) ... [2021-10-29 03:06:24,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 03:06:24,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:06:24,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2021-10-29 03:06:24,450 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2021-10-29 03:06:24,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-29 03:06:24,451 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:06:24,453 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:06:24,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:06:24,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:06:24,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:06:24,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 21 states and 33 transitions. [2021-10-29 03:06:24,719 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 33 transitions. [2021-10-29 03:06:24,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-29 03:06:24,722 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:06:24,723 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:06:24,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:06:24,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 03:06:24,767 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:06:24,912 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:06:25,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:06:25,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 24 states and 40 transitions. [2021-10-29 03:06:25,088 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 40 transitions. [2021-10-29 03:06:25,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 03:06:25,089 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:06:25,090 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:06:25,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:06:25,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 03:06:25,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:06:25,262 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-29 03:06:25,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:06:25,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 26 states and 45 transitions. [2021-10-29 03:06:25,353 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 45 transitions. [2021-10-29 03:06:25,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-29 03:06:25,357 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:06:25,357 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:06:25,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:06:25,409 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:06:25,411 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:06:25,580 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-29 03:06:25,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:06:25,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 28 states and 47 transitions. [2021-10-29 03:06:25,968 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 47 transitions. [2021-10-29 03:06:25,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-29 03:06:25,969 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:06:25,970 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:06:26,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:06:26,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:06:26,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:06:26,177 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-29 03:06:26,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:06:26,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 31 states and 52 transitions. [2021-10-29 03:06:26,394 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 52 transitions. [2021-10-29 03:06:26,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-29 03:06:26,395 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:06:26,395 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:06:26,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:06:26,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:06:26,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:06:26,579 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-29 03:06:26,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:06:26,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 33 states and 55 transitions. [2021-10-29 03:06:26,791 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 55 transitions. [2021-10-29 03:06:26,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-29 03:06:26,792 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:06:26,792 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:06:26,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:06:26,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-10-29 03:06:26,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:06:27,069 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-10-29 03:06:27,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:06:27,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 34 states and 57 transitions. [2021-10-29 03:06:27,365 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 57 transitions. [2021-10-29 03:06:27,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-29 03:06:27,367 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:06:27,367 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:06:27,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:06:27,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:06:27,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:06:27,679 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-10-29 03:06:28,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:06:28,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 34 states and 56 transitions. [2021-10-29 03:06:28,045 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 56 transitions. [2021-10-29 03:06:28,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-29 03:06:28,046 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:06:28,046 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:06:28,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:06:28,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:06:28,081 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:06:28,250 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-10-29 03:06:28,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:06:28,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 35 states and 60 transitions. [2021-10-29 03:06:28,525 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 60 transitions. [2021-10-29 03:06:28,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-10-29 03:06:28,526 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:06:28,527 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:06:28,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:06:28,557 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:06:28,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:06:28,670 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-10-29 03:06:28,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:06:28,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 36 states and 61 transitions. [2021-10-29 03:06:28,769 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 61 transitions. [2021-10-29 03:06:28,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-10-29 03:06:28,771 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:06:28,771 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:06:28,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:06:28,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 15 conjunts are in the unsatisfiable core [2021-10-29 03:06:28,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:06:29,020 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 12 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-10-29 03:06:29,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:06:29,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 39 states and 67 transitions. [2021-10-29 03:06:29,272 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 67 transitions. [2021-10-29 03:06:29,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-10-29 03:06:29,273 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:06:29,274 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:06:29,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:06:29,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:06:29,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:06:29,414 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 27 proven. 7 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2021-10-29 03:06:29,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:06:29,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 39 states and 66 transitions. [2021-10-29 03:06:29,482 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 66 transitions. [2021-10-29 03:06:29,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-10-29 03:06:29,484 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:06:29,485 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:06:29,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:06:29,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 21 conjunts are in the unsatisfiable core [2021-10-29 03:06:29,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:06:29,848 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 14 proven. 11 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-10-29 03:06:30,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:06:30,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 40 states and 68 transitions. [2021-10-29 03:06:30,187 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 68 transitions. [2021-10-29 03:06:30,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-10-29 03:06:30,188 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:06:30,188 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:06:30,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:06:30,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 15 conjunts are in the unsatisfiable core [2021-10-29 03:06:30,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:06:30,524 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 16 proven. 13 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-10-29 03:06:30,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:06:30,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 41 states and 72 transitions. [2021-10-29 03:06:30,846 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 72 transitions. [2021-10-29 03:06:30,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-29 03:06:30,847 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:06:30,848 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:06:30,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:06:30,885 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:06:30,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:06:31,027 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 41 proven. 7 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2021-10-29 03:06:31,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:06:31,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 42 states and 73 transitions. [2021-10-29 03:06:31,158 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 73 transitions. [2021-10-29 03:06:31,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-10-29 03:06:31,159 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:06:31,159 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:06:31,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:06:31,203 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 19 conjunts are in the unsatisfiable core [2021-10-29 03:06:31,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:06:31,475 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 18 proven. 21 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-10-29 03:06:31,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:06:31,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 45 states and 79 transitions. [2021-10-29 03:06:31,821 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 79 transitions. [2021-10-29 03:06:31,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-10-29 03:06:31,822 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:06:31,822 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:06:31,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:06:31,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:06:31,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:06:32,060 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 44 proven. 7 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2021-10-29 03:06:32,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:06:32,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 45 states and 78 transitions. [2021-10-29 03:06:32,117 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 78 transitions. [2021-10-29 03:06:32,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-10-29 03:06:32,118 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:06:32,119 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:06:32,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:06:32,170 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 27 conjunts are in the unsatisfiable core [2021-10-29 03:06:32,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:06:32,632 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 20 proven. 24 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2021-10-29 03:06:33,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:06:33,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 46 states and 80 transitions. [2021-10-29 03:06:33,050 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 80 transitions. [2021-10-29 03:06:33,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-10-29 03:06:33,051 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:06:33,052 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:06:33,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:06:33,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 19 conjunts are in the unsatisfiable core [2021-10-29 03:06:33,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:06:33,430 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 22 proven. 27 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2021-10-29 03:06:33,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:06:33,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 47 states and 84 transitions. [2021-10-29 03:06:33,868 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 84 transitions. [2021-10-29 03:06:33,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-10-29 03:06:33,869 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:06:33,869 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:06:33,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:06:33,910 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:06:33,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:06:34,078 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 59 proven. 7 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2021-10-29 03:06:34,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:06:34,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 48 states and 85 transitions. [2021-10-29 03:06:34,245 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 85 transitions. [2021-10-29 03:06:34,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-10-29 03:06:34,246 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:06:34,246 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:06:34,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:06:34,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 23 conjunts are in the unsatisfiable core [2021-10-29 03:06:34,307 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:06:34,663 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 24 proven. 38 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2021-10-29 03:06:35,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:06:35,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 51 states and 91 transitions. [2021-10-29 03:06:35,108 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 91 transitions. [2021-10-29 03:06:35,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-10-29 03:06:35,109 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:06:35,109 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:06:35,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:06:35,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:06:35,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:06:35,337 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 61 proven. 7 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2021-10-29 03:06:35,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:06:35,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 51 states and 90 transitions. [2021-10-29 03:06:35,397 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 90 transitions. [2021-10-29 03:06:35,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-10-29 03:06:35,400 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:06:35,400 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:06:35,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:06:35,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 33 conjunts are in the unsatisfiable core [2021-10-29 03:06:35,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:06:36,031 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 26 proven. 42 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2021-10-29 03:06:36,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:06:36,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 52 states and 92 transitions. [2021-10-29 03:06:36,528 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 92 transitions. [2021-10-29 03:06:36,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-10-29 03:06:36,529 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:06:36,530 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:06:36,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:06:36,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 23 conjunts are in the unsatisfiable core [2021-10-29 03:06:36,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:06:37,099 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 28 proven. 46 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2021-10-29 03:06:37,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:06:37,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 53 states and 96 transitions. [2021-10-29 03:06:37,677 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 96 transitions. [2021-10-29 03:06:37,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-10-29 03:06:37,678 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:06:37,678 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:06:37,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:06:37,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:06:37,729 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:06:37,921 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 416 trivial. 0 not checked. [2021-10-29 03:06:38,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:06:38,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 54 states and 97 transitions. [2021-10-29 03:06:38,099 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 97 transitions. [2021-10-29 03:06:38,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-10-29 03:06:38,100 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:06:38,101 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:06:38,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:06:38,144 INFO L263 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 27 conjunts are in the unsatisfiable core [2021-10-29 03:06:38,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:06:38,488 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 30 proven. 60 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2021-10-29 03:06:38,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:06:38,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 57 states and 103 transitions. [2021-10-29 03:06:38,905 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 103 transitions. [2021-10-29 03:06:38,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-29 03:06:38,906 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:06:38,906 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:06:38,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:06:38,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:06:38,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:06:39,158 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 78 proven. 7 refuted. 0 times theorem prover too weak. 477 trivial. 0 not checked. [2021-10-29 03:06:39,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:06:39,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 57 states and 102 transitions. [2021-10-29 03:06:39,223 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 102 transitions. [2021-10-29 03:06:39,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-10-29 03:06:39,224 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:06:39,225 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:06:39,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:06:39,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 39 conjunts are in the unsatisfiable core [2021-10-29 03:06:39,299 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:06:39,946 INFO L134 CoverageAnalysis]: Checked inductivity of 577 backedges. 32 proven. 65 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2021-10-29 03:06:40,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:06:40,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 58 states and 104 transitions. [2021-10-29 03:06:40,449 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 104 transitions. [2021-10-29 03:06:40,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-10-29 03:06:40,450 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:06:40,450 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:06:40,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:06:40,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 27 conjunts are in the unsatisfiable core [2021-10-29 03:06:40,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:06:41,009 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 34 proven. 70 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2021-10-29 03:06:41,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:06:41,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 59 states and 108 transitions. [2021-10-29 03:06:41,564 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 108 transitions. [2021-10-29 03:06:41,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-10-29 03:06:41,565 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:06:41,565 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:06:41,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:06:41,614 INFO L263 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:06:41,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:06:41,867 INFO L134 CoverageAnalysis]: Checked inductivity of 723 backedges. 95 proven. 7 refuted. 0 times theorem prover too weak. 621 trivial. 0 not checked. [2021-10-29 03:06:42,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:06:42,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 60 states and 109 transitions. [2021-10-29 03:06:42,015 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 109 transitions. [2021-10-29 03:06:42,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-10-29 03:06:42,017 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:06:42,017 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:06:42,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:06:42,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 31 conjunts are in the unsatisfiable core [2021-10-29 03:06:42,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:06:42,558 INFO L134 CoverageAnalysis]: Checked inductivity of 735 backedges. 36 proven. 87 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2021-10-29 03:06:43,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:06:43,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 63 states and 115 transitions. [2021-10-29 03:06:43,030 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 115 transitions. [2021-10-29 03:06:43,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-10-29 03:06:43,031 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:06:43,031 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:06:43,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:06:43,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:06:43,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:06:43,314 INFO L134 CoverageAnalysis]: Checked inductivity of 797 backedges. 95 proven. 7 refuted. 0 times theorem prover too weak. 695 trivial. 0 not checked. [2021-10-29 03:06:43,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:06:43,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 63 states and 114 transitions. [2021-10-29 03:06:43,385 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 114 transitions. [2021-10-29 03:06:43,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-10-29 03:06:43,386 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:06:43,386 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:06:43,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:06:43,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 45 conjunts are in the unsatisfiable core [2021-10-29 03:06:43,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:06:44,273 INFO L134 CoverageAnalysis]: Checked inductivity of 815 backedges. 38 proven. 93 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2021-10-29 03:06:44,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:06:44,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 64 states and 116 transitions. [2021-10-29 03:06:44,841 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 116 transitions. [2021-10-29 03:06:44,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-10-29 03:06:44,842 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:06:44,842 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:06:44,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:06:44,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 31 conjunts are in the unsatisfiable core [2021-10-29 03:06:44,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:06:45,447 INFO L134 CoverageAnalysis]: Checked inductivity of 899 backedges. 40 proven. 99 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2021-10-29 03:06:46,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:06:46,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 65 states and 120 transitions. [2021-10-29 03:06:46,077 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 120 transitions. [2021-10-29 03:06:46,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-10-29 03:06:46,077 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:06:46,077 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:06:46,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:06:46,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:06:46,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:06:46,388 INFO L134 CoverageAnalysis]: Checked inductivity of 987 backedges. 113 proven. 7 refuted. 0 times theorem prover too weak. 867 trivial. 0 not checked. [2021-10-29 03:06:46,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:06:46,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 66 states and 121 transitions. [2021-10-29 03:06:46,573 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 121 transitions. [2021-10-29 03:06:46,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2021-10-29 03:06:46,574 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:06:46,574 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:06:46,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:06:46,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 35 conjunts are in the unsatisfiable core [2021-10-29 03:06:46,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:06:47,147 INFO L134 CoverageAnalysis]: Checked inductivity of 1001 backedges. 42 proven. 119 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2021-10-29 03:06:47,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:06:47,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 69 states and 127 transitions. [2021-10-29 03:06:47,690 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 127 transitions. [2021-10-29 03:06:47,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-10-29 03:06:47,691 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:06:47,691 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:06:47,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:06:47,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:06:47,746 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:06:47,995 INFO L134 CoverageAnalysis]: Checked inductivity of 1073 backedges. 112 proven. 7 refuted. 0 times theorem prover too weak. 954 trivial. 0 not checked. [2021-10-29 03:06:48,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:06:48,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 69 states and 126 transitions. [2021-10-29 03:06:48,078 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 126 transitions. [2021-10-29 03:06:48,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-10-29 03:06:48,079 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:06:48,079 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:06:48,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:06:48,143 INFO L263 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 51 conjunts are in the unsatisfiable core [2021-10-29 03:06:48,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:06:49,086 INFO L134 CoverageAnalysis]: Checked inductivity of 1094 backedges. 44 proven. 126 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2021-10-29 03:06:49,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:06:49,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 70 states and 128 transitions. [2021-10-29 03:06:49,742 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 128 transitions. [2021-10-29 03:06:49,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2021-10-29 03:06:49,743 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:06:49,743 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:06:49,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:06:49,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 35 conjunts are in the unsatisfiable core [2021-10-29 03:06:49,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:06:50,539 INFO L134 CoverageAnalysis]: Checked inductivity of 1191 backedges. 46 proven. 133 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2021-10-29 03:06:51,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:06:51,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 71 states and 132 transitions. [2021-10-29 03:06:51,215 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 132 transitions. [2021-10-29 03:06:51,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2021-10-29 03:06:51,216 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:06:51,217 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:06:51,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:06:51,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:06:51,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:06:51,569 INFO L134 CoverageAnalysis]: Checked inductivity of 1292 backedges. 131 proven. 7 refuted. 0 times theorem prover too weak. 1154 trivial. 0 not checked. [2021-10-29 03:06:51,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:06:51,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 72 states and 133 transitions. [2021-10-29 03:06:51,782 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 133 transitions. [2021-10-29 03:06:51,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2021-10-29 03:06:51,783 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:06:51,783 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:06:51,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:06:51,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 39 conjunts are in the unsatisfiable core [2021-10-29 03:06:51,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:06:52,432 INFO L134 CoverageAnalysis]: Checked inductivity of 1308 backedges. 48 proven. 156 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2021-10-29 03:06:53,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:06:53,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 75 states and 139 transitions. [2021-10-29 03:06:53,017 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 139 transitions. [2021-10-29 03:06:53,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2021-10-29 03:06:53,018 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:06:53,018 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:06:53,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:06:53,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:06:53,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:06:53,372 INFO L134 CoverageAnalysis]: Checked inductivity of 1390 backedges. 129 proven. 7 refuted. 0 times theorem prover too weak. 1254 trivial. 0 not checked. [2021-10-29 03:06:53,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:06:53,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 75 states and 138 transitions. [2021-10-29 03:06:53,492 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 138 transitions. [2021-10-29 03:06:53,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-10-29 03:06:53,493 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:06:53,493 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:06:53,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:06:53,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 57 conjunts are in the unsatisfiable core [2021-10-29 03:06:53,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:06:54,691 INFO L134 CoverageAnalysis]: Checked inductivity of 1414 backedges. 50 proven. 164 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2021-10-29 03:06:55,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:06:55,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 76 states and 140 transitions. [2021-10-29 03:06:55,383 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 140 transitions. [2021-10-29 03:06:55,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2021-10-29 03:06:55,384 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:06:55,384 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:06:55,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:06:55,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 39 conjunts are in the unsatisfiable core [2021-10-29 03:06:55,484 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:06:56,238 INFO L134 CoverageAnalysis]: Checked inductivity of 1524 backedges. 52 proven. 172 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2021-10-29 03:06:56,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:06:56,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 77 states and 144 transitions. [2021-10-29 03:06:56,945 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 144 transitions. [2021-10-29 03:06:56,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2021-10-29 03:06:56,946 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:06:56,946 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:06:57,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:06:57,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:06:57,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:06:57,377 INFO L134 CoverageAnalysis]: Checked inductivity of 1638 backedges. 149 proven. 7 refuted. 0 times theorem prover too weak. 1482 trivial. 0 not checked. [2021-10-29 03:06:57,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:06:57,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 78 states and 145 transitions. [2021-10-29 03:06:57,666 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 145 transitions. [2021-10-29 03:06:57,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2021-10-29 03:06:57,667 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:06:57,668 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:06:57,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:06:57,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 369 conjuncts, 43 conjunts are in the unsatisfiable core [2021-10-29 03:06:57,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:06:58,328 INFO L134 CoverageAnalysis]: Checked inductivity of 1656 backedges. 54 proven. 198 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2021-10-29 03:06:59,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:06:59,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 81 states and 151 transitions. [2021-10-29 03:06:59,043 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 151 transitions. [2021-10-29 03:06:59,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2021-10-29 03:06:59,044 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:06:59,045 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:06:59,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:06:59,112 INFO L263 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:06:59,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:06:59,468 INFO L134 CoverageAnalysis]: Checked inductivity of 1748 backedges. 146 proven. 7 refuted. 0 times theorem prover too weak. 1595 trivial. 0 not checked. [2021-10-29 03:06:59,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:06:59,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 81 states and 150 transitions. [2021-10-29 03:06:59,548 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 150 transitions. [2021-10-29 03:06:59,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2021-10-29 03:06:59,549 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:06:59,549 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:06:59,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:06:59,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 63 conjunts are in the unsatisfiable core [2021-10-29 03:06:59,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:07:01,075 INFO L134 CoverageAnalysis]: Checked inductivity of 1775 backedges. 56 proven. 207 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2021-10-29 03:07:01,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:07:01,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 82 states and 152 transitions. [2021-10-29 03:07:01,966 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 152 transitions. [2021-10-29 03:07:01,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-10-29 03:07:01,967 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:07:01,968 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:07:02,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:07:02,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 43 conjunts are in the unsatisfiable core [2021-10-29 03:07:02,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:07:03,060 INFO L134 CoverageAnalysis]: Checked inductivity of 1898 backedges. 58 proven. 216 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2021-10-29 03:07:03,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:07:03,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 83 states and 156 transitions. [2021-10-29 03:07:03,969 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 156 transitions. [2021-10-29 03:07:03,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2021-10-29 03:07:03,970 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:07:03,971 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:07:04,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:07:04,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 397 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:07:04,033 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:07:04,373 INFO L134 CoverageAnalysis]: Checked inductivity of 2025 backedges. 167 proven. 7 refuted. 0 times theorem prover too weak. 1851 trivial. 0 not checked. [2021-10-29 03:07:04,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:07:04,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 84 states and 157 transitions. [2021-10-29 03:07:04,653 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 157 transitions. [2021-10-29 03:07:04,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2021-10-29 03:07:04,654 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:07:04,654 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:07:04,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:07:04,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 47 conjunts are in the unsatisfiable core [2021-10-29 03:07:04,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:07:05,546 INFO L134 CoverageAnalysis]: Checked inductivity of 2045 backedges. 60 proven. 245 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2021-10-29 03:07:06,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:07:06,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 87 states and 163 transitions. [2021-10-29 03:07:06,443 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 163 transitions. [2021-10-29 03:07:06,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2021-10-29 03:07:06,444 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:07:06,444 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:07:06,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:07:06,514 INFO L263 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:07:06,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:07:06,868 INFO L134 CoverageAnalysis]: Checked inductivity of 2147 backedges. 163 proven. 7 refuted. 0 times theorem prover too weak. 1977 trivial. 0 not checked. [2021-10-29 03:07:06,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:07:06,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 87 states and 162 transitions. [2021-10-29 03:07:06,978 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 162 transitions. [2021-10-29 03:07:06,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2021-10-29 03:07:06,979 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:07:06,979 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:07:07,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:07:07,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 69 conjunts are in the unsatisfiable core [2021-10-29 03:07:07,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:07:08,512 INFO L134 CoverageAnalysis]: Checked inductivity of 2177 backedges. 62 proven. 255 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2021-10-29 03:07:09,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:07:09,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 88 states and 164 transitions. [2021-10-29 03:07:09,444 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 164 transitions. [2021-10-29 03:07:09,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2021-10-29 03:07:09,446 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:07:09,446 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:07:09,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:07:09,543 INFO L263 TraceCheckSpWp]: Trace formula consists of 422 conjuncts, 47 conjunts are in the unsatisfiable core [2021-10-29 03:07:09,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:07:10,416 INFO L134 CoverageAnalysis]: Checked inductivity of 2313 backedges. 64 proven. 265 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2021-10-29 03:07:11,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:07:11,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 89 states and 168 transitions. [2021-10-29 03:07:11,448 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 168 transitions. [2021-10-29 03:07:11,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2021-10-29 03:07:11,449 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:07:11,449 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:07:11,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:07:11,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 432 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:07:11,526 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:07:11,884 INFO L134 CoverageAnalysis]: Checked inductivity of 2453 backedges. 185 proven. 7 refuted. 0 times theorem prover too weak. 2261 trivial. 0 not checked. [2021-10-29 03:07:12,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:07:12,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 90 states and 169 transitions. [2021-10-29 03:07:12,096 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 169 transitions. [2021-10-29 03:07:12,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2021-10-29 03:07:12,097 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:07:12,097 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:07:12,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:07:12,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 28 conjunts are in the unsatisfiable core [2021-10-29 03:07:12,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:07:14,563 INFO L134 CoverageAnalysis]: Checked inductivity of 2475 backedges. 313 proven. 50 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2021-10-29 03:07:20,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:07:20,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 71 states and 116 transitions. [2021-10-29 03:07:20,782 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 116 transitions. [2021-10-29 03:07:20,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2021-10-29 03:07:20,783 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:07:20,783 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:07:20,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:07:20,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 441 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:07:20,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:07:21,280 INFO L134 CoverageAnalysis]: Checked inductivity of 2587 backedges. 180 proven. 7 refuted. 0 times theorem prover too weak. 2400 trivial. 0 not checked. [2021-10-29 03:07:22,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:07:22,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 65 states and 109 transitions. [2021-10-29 03:07:22,138 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 109 transitions. [2021-10-29 03:07:22,139 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 03:07:22,139 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 58 iterations. [2021-10-29 03:07:22,144 INFO L759 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-10-29 03:07:23,782 INFO L565 CodeCheckObserver]: Invariant with dag size 93 [2021-10-29 03:07:23,795 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:07:23,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 03:07:23 ImpRootNode [2021-10-29 03:07:23,796 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 03:07:23,797 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 03:07:23,797 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 03:07:23,797 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 03:07:23,797 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:06:24" (3/4) ... [2021-10-29 03:07:23,799 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 03:07:23,804 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2021-10-29 03:07:23,807 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-10-29 03:07:23,807 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-29 03:07:23,808 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-29 03:07:23,808 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 03:07:23,844 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3395955-ad65-4e7d-ac53-e5a59d2620ff/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 03:07:23,844 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 03:07:23,846 INFO L168 Benchmark]: Toolchain (without parser) took 60217.57 ms. Allocated memory was 111.1 MB in the beginning and 786.4 MB in the end (delta: 675.3 MB). Free memory was 78.1 MB in the beginning and 567.6 MB in the end (delta: -489.5 MB). Peak memory consumption was 183.9 MB. Max. memory is 16.1 GB. [2021-10-29 03:07:23,847 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 111.1 MB. Free memory is still 67.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:07:23,847 INFO L168 Benchmark]: CACSL2BoogieTranslator took 244.22 ms. Allocated memory is still 111.1 MB. Free memory was 77.9 MB in the beginning and 85.5 MB in the end (delta: -7.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-29 03:07:23,848 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.69 ms. Allocated memory is still 111.1 MB. Free memory was 85.5 MB in the beginning and 84.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:07:23,849 INFO L168 Benchmark]: Boogie Preprocessor took 20.22 ms. Allocated memory is still 111.1 MB. Free memory was 84.2 MB in the beginning and 83.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:07:23,849 INFO L168 Benchmark]: RCFGBuilder took 450.13 ms. Allocated memory is still 111.1 MB. Free memory was 83.0 MB in the beginning and 70.9 MB in the end (delta: 12.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 03:07:23,850 INFO L168 Benchmark]: CodeCheck took 59404.00 ms. Allocated memory was 111.1 MB in the beginning and 786.4 MB in the end (delta: 675.3 MB). Free memory was 70.9 MB in the beginning and 570.5 MB in the end (delta: -499.6 MB). Peak memory consumption was 436.5 MB. Max. memory is 16.1 GB. [2021-10-29 03:07:23,851 INFO L168 Benchmark]: Witness Printer took 47.92 ms. Allocated memory is still 786.4 MB. Free memory was 570.5 MB in the beginning and 567.6 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:07:23,854 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 17 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 57.7s, OverallIterations: 58, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 SDtfs, -1662567908 SDslu, 692736816 SDs, 0 SdLazy, -1237986570 SolverSat, -1099439894 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 66.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 36472 GetRequests, 35029 SyntacticMatches, 1103 SemanticMatches, 340 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76835 ImplicationChecksByTransitivity, 30.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.3s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 26.5s InterpolantComputationTime, 5802 NumberOfCodeBlocks, 5802 NumberOfCodeBlocksAsserted, 57 NumberOfCheckSat, 5745 ConstructedInterpolants, 0 QuantifiedInterpolants, 16297 SizeOfPredicates, 91 NumberOfNonLiveVariables, 14092 ConjunctsInSsa, 1295 ConjunctsInUnsatCore, 57 InterpolantComputations, 3 PerfectInterpolantSequences, 46424/49605 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 14]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((((((((((s == 36 && a == 5) || (19 == t && s == 100)) || (t == 9 && s == 25)) || (((((((((!(t == 13 && a == 6) && !(t == 17 && a == 8)) && !(a == 4 && t == 9)) && !(a == 9 && 19 == t)) && !(t == 15 && a == 7)) && !(2 * a == 2 && t == 2 * a + 1)) && !(t == 11 && a == 5)) && !(a == 3 && t == 7)) && !(a == 10 && t == 21)) && !(t == 5 && a == 2))) || (s == 2 * a + 2 && a == 1)) || (s == 64 && a == 7)) || (a == 6 && s == 49)) || (s == 121 && t == 21)) || (s == 16 && t == 7)) || (a == 2 && s == 9)) || (s == 81 && a == 8) - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 111.1 MB. Free memory is still 67.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 244.22 ms. Allocated memory is still 111.1 MB. Free memory was 77.9 MB in the beginning and 85.5 MB in the end (delta: -7.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 30.69 ms. Allocated memory is still 111.1 MB. Free memory was 85.5 MB in the beginning and 84.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 20.22 ms. Allocated memory is still 111.1 MB. Free memory was 84.2 MB in the beginning and 83.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 450.13 ms. Allocated memory is still 111.1 MB. Free memory was 83.0 MB in the beginning and 70.9 MB in the end (delta: 12.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * CodeCheck took 59404.00 ms. Allocated memory was 111.1 MB in the beginning and 786.4 MB in the end (delta: 675.3 MB). Free memory was 70.9 MB in the beginning and 570.5 MB in the end (delta: -499.6 MB). Peak memory consumption was 436.5 MB. Max. memory is 16.1 GB. * Witness Printer took 47.92 ms. Allocated memory is still 786.4 MB. Free memory was 570.5 MB in the beginning and 567.6 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-29 03:07:23,897 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3395955-ad65-4e7d-ac53-e5a59d2620ff/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...